US3219944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactance controlled transistor oscillator circuit arrangement
Assignee: Individual
•
Filing: 1962-10-30
•
Granted: 1965-11-23
•
Expires: 1982-10-30
Abstract
No abstract record available.
Inventors
- 👤 Krausz Robert
- 👤 Jonas M Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:38
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A CIRCUIT FOR MODIFYING EQUALLY, THE OUTPUT FREQUENCY OF AN OSCILLATOR THROUGHOUT ITS FREQUENCY SPECTRUM, SAID OSCILLATOR HAVING AS PART THEREOF A REACTIVE SPECTRUM, SAID SAID TUNING CIRCUIT BEING A TANK CIRCUIT, WHICH COMPRISES A LOOP CIRCUIT INCLUDING IN SERIES THEREIN AND INDUCTOR, A PAIR OF SEMICONDUCTOR REVERSED BIASED DIODES EACH HAVING AN ANODE AND A CATHODE, A CAPACITOR, AN ELECTRICAL JUNCTION BETWEEN SAID INDUCTOR AND SAID CAPACITOR, THE ANODE OF ONE DIODE ELECTRICALLY JOINED TO THE CATHODE OF THE OTHER DIODE, THE CATHODE OF SAID ONE DIODE ELECTRICALLY CONNECTED TO THE FREE END OF SAID CAPACITOR, THE ANODE OF SAID OTHER DIODE ELECTRICALLY CONNECTED TO THE FREE END OF SAID INDUCTOR,
Claim 2
Dependent Claim
112 words
A CIRCUIT FOR MODIFYING EQUALLY, THE OUTPUT FREQUENCY OF AN OSCILLATOR THROUGHOUT ITS FREQUENCY SPECTRUM, SAID OSCILLATOR HAVING AS PART THEREOF A REACTIVE SPECTRUM, SAID SAID TUNING CIRCUIT BEING A TANK CIRCUIT, WHICH COMPRISES A LOOP CIRCUIT INCLUDING IN SERIES THEREIN AND INDUCTOR, A PAIR OF SEMICONDUCTOR REVERSED BIASED DIODES EACH HAVING AN ANODE AND A CATHODE, A CAPACITOR, AN ELECTRICAL JUNCTION BETWEEN SAID INDUCTOR AND SAID CAPACITOR, THE ANODE OF ONE DIODE ELECTRICALLY JOINED TO THE CATHODE OF THE OTHER DIODE, THE CATHODE OF SAID ONE DIODE ELECTRICALLY CONNECTED TO THE FREE END OF SAID CAPACITOR, THE ANODE OF SAID OTHER DIODE ELECTRICALLY CONNECTED TO THE FREE END OF SAID INDUCTOR,
References Cited (Backward Citations)
CA612264A
Cited
US2182377A
Cited
US2964714A
Cited
DE1087643B
Cited
US3068427A
Cited
US3050693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |